baber/WOPTO huggingface dataset:
Patent JP-S58218880-A (JP)
Title: Inverter circuit
Inventor: AOKI TOSHIAKI
IPC: H02M7/537
Filed: 1982-06-11
Abstract: PURPOSE:To prevent application of excessive voltage to switching transistors by a method wherein applying voltages to the respective switching transistors of the doubly forward type inverter are controlled as to apply respectively the voltage of 1/2 of an electric power source voltage. CONSTITUTION:The light emitting diode D4, D5 sides of a pair of photo couplers PC1, PC2 connected in antiparallel are connected between the 1/2 voltage dividing point of the electric power source voltage and the series connecting point of the forward type inverters of two groups. Moreover, outputs of the photo transistors Tr3, Tr4 of the photo couplers PC1, PC2 are overlapped to a control voltage, which is input on one side of a comparator CMP being applied with a ramp wave voltage to an input terminal on another side, and with the control voltage to the same side terminal. The respective switching transistors Tr1, Tr2 are made to perform ON action alternately according to comparison output of the comparator CMP thereof.
Patent JP-H10291853-A (JP)
Title: Self-restoration type member for high temperature service and its production
Inventor: TAKAHASHI MASASHI
IPC: C04B35/565
Filed: 1997-04-17
Abstract: PROBLEM TO BE SOLVED: To have a self-restoration function which restores cracks with Al based oxide layers and to attain the compatibility of oxidation resistance with mechanical strength even when the cracks arise in the oxidized layer or oxidation resistant coating layer formed on a base material surface to expose the base material. SOLUTION: This self-restoration type member for high temp. service has the base material 3 contg. at least ceramics or carbon as main component and contain Al or Al compd. In such a case, the base material is formed with the Al based oxide layer 10 on its surface by the reaction with a high-temp. oxidation atmosphere when used in this high-temp. oxidation atmosphere. The base material has the self-restoration function to restore the cracks by forming the Al based oxide 12 by the reaction with the high-temp. oxidation atmosphere in the exposed parts by the cracks when the cracks 11 arise at the Al based oxide layer.
Patent JP-H01275993-A (JP)
Title: Piping system having branch pipe with closed tip
Inventor: NAKAMURA SHOZO
IPC: F15D1/02
Filed: 1988-04-25
Abstract: PURPOSE:To prevent a whirling flow in a main flow pipeline from penetrating into a preceding closed branch pipe by setting up a whirling flow preventive means, serving as resistant against the whirling flow, in a branch pipe inlet part or a joint with the main flow pipeline. CONSTITUTION:A whirling flow preventive means 6 is set up in a branch pipe inlet part or a joint of a branch pipeline 2 with a main flow pipeline 1. Therefore a whirling flow in this branch pipe 2 is preventable, and thereby any fluid in the main flow pipeline 1 can be prevented from penetrating into the branch pipe. Consequently, a temperature rise and a temperature variation in the branch pipe 2 can be kept back and, what is more, repetitive thermal stress and stress corrosion cracking in the branch pipe 2 are thus preventable.
Patent JP-S61260049-A (JP)
Title: Production of aromatic isocyanate
Inventor: TAKAGI USAJI
IPC: C07C67/00
Filed: 1985-05-14
Abstract: PURPOSE:The reaction of an aromatic nitro compound with CO to form the titled compound is carried out in the presence of a nitrogen-containing heterocyclic compound, a Pd compound catalyst and a V-P cocatalyst in a solvent such as an aromatic hydrocarbon, etc., and the catalyst is reused repeatedly. CONSTITUTION:An aromatic nitro compound is made to react with carbon monoxide under high temperature and pressure condition to obtain an aromatic isocyanate. The above reaction is carried out in the presence of a nitrogen- containing heterocyclic compound such as pyrrole, imidazole, etc., using a palladium compound such as palladium chloride as a main catalyst, a vanadium chelate compound coordinated with 1,3-diketone compound and a chloride or acid chloride of phosphorus as a cocatalyst, in an aromatic hydrocarbon or a chlorinated aromatic hydrocarbon. After the completion of reaction, the palladium compound main catalyst precipitated spontaneously or actively is recovered and reused. The catalyst has high activity, is resistant to deactivation by reaction and can be recovered at a high rate.
Patent JP-H10293791-A (JP)
Title: Information processor and storage medium
Inventor: SUZUKI HIDEO
IPC: G06Q50/00
Filed: 1997-04-17
Abstract: PROBLEM TO BE SOLVED: To make each agent quickly answer to a user's request and to quickly perform various information reports and various instructions. SOLUTION: An agent computer block 16 selects an agent who corresponds to instruction content from agent icon display of agents who can be read at the current time zone based on time zone setting tables in various tables which are shown on a display device 13 and are stored in a storage device 17. The selected agent and files that can be processed by the agent are shown on the device 13 based on agent permission information tables in the various tables, a greeting message sentence at the current time zone is selected based on message tables in the various tables, and a greeting, self-introduction, and a message of an instruction request in the agent's voice are outputted from a voice output device 11.
Patent JP-H08267059-A (JP)
Title: Sludge scraper
Inventor: ITANI NOBORU
IPC: B01D21/18
Filed: 1995-03-31
Abstract: PURPOSE: To surely scrap scum without stagnation on a water surface even in a water surface part along the inner side faces of a basin with flights on a return side and preventing the backflow of this scum to an inflow side. CONSTITUTION: A scum guide 10 is disposed in the positions near the water surface between the end faces of a return side flights 4 to scrap the scum toward a scum skimmer 7 and the inner side walls of the basin. The scum guide 10 has a necessary length from the inflow side of the basin near to the scum skimmer 7 and the inner bottom surface thereof is formed as a slope. As a result, the scum generated in the basin is completely scraped to the scum skimmer 7 and is discharged outside the basin.
Patent JP-H01270658-A (JP)
Title: Method and apparatus for measuring amount of salinity in ready mixed concrete
Inventor: UEDA HIDEO
IPC: G01N27/26
Filed: 1988-04-22
Abstract: PURPOSE:To enable the accurate measurement of the concentration of chlorine ions even when an admixture is mixed in ready mixes concrete, by repeating a dipping process, a potential measuring process and a washing process and by making computation from a relational formula. CONSTITUTION:A sensitive film 2 of a ion electrode sensor 1 contains silver chloride as a main component, while a detecting element 3 is constructed of a lead wire 11 and a reference electrode 12 immersed in a potassium nitrate solution, and the potential of the sensitive film 2 is detected by a voltmeter V. At first, the sensitive film 2 is put in a state of not yet reacting with anions, and a dipping process wherein the sensor 1 is dipped in ready mixed concrete for about 15sec and fixed, a potential measuring process wherein the potential of the sensitive film 2 is detected at the time point of completion of dipping and a washing process wherein the sensitive film 2 is washed by water are repeated twice alternately respectively. A storage means 5A stores the measured potential at every time of measurement, and a storage means 5B stores a dipping time at every time of dipping, while an arithmetic means 7 and a concentration converting means 8 compute the concentration of chlorine ions from the relation formula of the measured potential and the dipping time and can output the result of computation to a display means 9.
Patent JP-H01271690-A (JP)
Title: Horizontal rotary compressor
Inventor: TAMEOKA SHINGO
IPC: F04C29/02
Filed: 1988-04-22
Abstract: PURPOSE:To reduce the size of an enclosing case by incorporating an oil-supply pump member, which is approximately bent into the shape of an L, into an oil-supply member where the upper end of a closely-wound coil spring oil-supply guide portion is fixed to a side housing. CONSTITUTION:An oil-supply member 46, which is fixed to a side housing 42, consists of a mounting portion 47 and a closely-wound coil spring oil-supply guide portion 49 with an opening 48. An oil-supply pump member 51, is made of a spring material having elasticity such as piano wire, formed integrally with a coupling portion 53 eccentrically installed at the end of a crankshaft 36, one end of the coupling portion 53 is approximately bent into the shape of an L to form an engaging portion 54, and the other end of the coupling portion 3 serves as a throttle forming portion 56 having a throttle 55 for an oil passage hole in its bottom portion.
Patent JP-H03296567-A (JP)
Title: Matte finishing of automobile outer panel
Inventor: FUJII YASUHIRO
IPC: B05D5/06
Filed: 1990-04-17
Abstract: PURPOSE:To form a coating film which does not lose its matte effect even when polished and is improved in mar resistance, staining resistance, etc., on an automobile outer panel by coating the panel with a crosslinkable and curable colored coating material and then with a specified crosslinkable and curable clear coating material. CONSTITUTION:A crosslinkable and curable clear coating material (A) which can be crosslinked and cured by a three-dimensional crosslinking reaction at room temperature or by heating is mixed with 30-120 pts.wt., desirably 40-110 pts.wt., per 100 pts.wt. resin solids of component A, glass powder desirably having a composition of SiO2, Al2O3, Na2O, K2O, MgO and CaO and having a particle diameter of 5-50mu, desirably 8-25mu to obtain a crosslinkable and curable clear coating material (B). An automobile outer panel is coated with a crosslinkable and curable colored coating material and then with component B.
Patent JP-H05296625-A (JP)
Title: Electric refrigerator
Inventor: YAMAMOTO IZUMI
IPC: F25C1/10
Filed: 1992-04-21
Abstract: PURPOSE:To realize a positive ice making in a refrigerator with automatic ice maker by a method wherein if defrosting operation is started during ice making operation, a reverse motion of an ice making tray is prohibited and after finish of the defrosting operation, a timer counting ice making time is reset. CONSTITUTION:An automatic ice maker has an ice making tray 12 which is supplied with water in a water supply tank 15 by a water supply pump 16, and determines whether ice making has been completed from whether a time per one ice making, which is counted by a timer, has elapsed and whether temperature of the ice making tray 12, which is detected by a temperature sensor 13, has become below a prescribed value. When it is determined that ice making is has been finished, the ice making tray 12 is reversed by a motor 11 to remove ice and store it in a stocker 14. In this case, if the defrosting operation is started during the ice making operation, a reverse motion of the ice making tray 12 is prohibited, and after the finish of the defrosting operation, the timer to count the ice making time is reset to return the counted value to its initial value, whereby a positive ice making can be realized.
Patent JP-S5328130-A (JP)
Title: Preparation of p-phenylenediamines
Inventor: GOTOU BUNGO
IPC: C07C211/56
Filed: 1976-08-26
Abstract: PURPOSE: N, N'-Diphenylurea is nitrated, hydrolyzed and decarboxylated, and from the resulting p-nitroaniline can be obtained high purity p-phenylenediamine, useful as raw materials of kevler fiber, by the reduction. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H042569-A (JP)
Title: Steering wheel
Inventor: OSHIMA HITOSHI
IPC: B62D1/06
Filed: 1990-04-17
Abstract: PURPOSE:To prevent interference between a finger rest and a thumb at a recovery time from the steering state in a steering wheel with finger rest parts provided protrusively inward on a ring part, by fitting the finger rest part with a finger contact piece having an inclined gently-sloping recessed part formed on the surface thereof. CONSTITUTION:In a steering wheel, a pair of finger rest parts 8 are provided protrusively inward on the slightly upper side of both right and left sides in a ring part 3, and an accommodating recessed part 9 is formed on the surface side of each finger rest part 8. A pair of fastening holes 10 are formed on the accommodating recessed part 9, and an insertion hole 11 is formed at the tip of the finger rest part 8. A surface side finger contact piece 12 is further disposed on the accommodating recessed part 9. This finger contact piece 12 is fastened by inserting a folded part 13, formed at the finger contact piece 12, into the insertion hole 11 and a pair of fastening claws 14 into the fastening holes 10. A gently-sloping recessed part 15 is also formed on the surface of the finger contact piece 12. This recessed part 15 is inclined, and an adjoining part A between this recessed part and the ring part 3 is set.
Patent JP-S582819-A (JP)
Title: Photoscanner
Inventor: YAMAGISHI FUMIO
IPC: G02B5/32
Filed: 1981-06-29
Abstract: PURPOSE:To make an equal-speed, linear scan by using a spherical and a cylindrical wave and thus forming a hologram. CONSTITUTION:On a disk 1, a hologram chip 2 is arranged at a circumference with a radius (r). Laser light 3 incident to the hologram chip 2 is deflected according to the diffraction pattern of a hologram to irradiate a screen 4 with a beam. When the disk 1 is rotated, the beam scans on points B', A', and C' corresponding to points B, A, and C on the hologram. In this case, so that the scan A' B' is linear and made at an equal speed, equations (1) and (2) should hold, where Le is the distance from the center 0 of the disk 1 to the screen 4, alpha and beta are angles of a deflection direction and beam deflection; and theta is the rotational angle of the disk, and C1 and C2 are constants.
Patent JP-H05295909-A (JP)
Title: Outdoor-stand
Inventor: OGURA KEIJI
IPC: E04H3/12
Filed: 1992-04-21
Abstract: PURPOSE:To reduce the cost required for the fabrication and execution of a PC plate by severally providing both the ends of the backside of the PC plate forming a concrete stand built in tiers with a L-shaped rib, and in the case of building the PC plate between supporting beams, forming an eave trough between the above PC plate and an adjacent one. CONSTITUTION:Both the ends of the backside of a PC plate 2 forming the concrete stand built in tiers of an outdoor-stadium or the like are severally provided with a L-shaped rib 4 having an arrangedly provided PC steel wire 3. The PC plate 2 is then horizontally built between upper and lower supporting beams 1, and a joint seal 5 and a seal 6 are executed between the adjacent PC plates 2 to form an eave trough space 7. Thus the kinds of forms for fabricating the PC plate 2 can be reduced, and the turnover rate of the form can be improved, and an eave trough is provided at the same time as the building of the PC plate 2. A cost required for the fabrication and execution of the PC plate can, therefore be reduced.
Patent JP-H06305840-A (JP)
Title: Sintered silicon nitride and its production
Inventor: KOSAKA SHOJI
IPC: C04B35/599
Filed: 1993-04-27
Abstract: PURPOSE:To obtain a sintered silicon nitride capable of keeping mechanical characteristics at practical level from room temperature to high temperature and having high thermal conductivity and excellent thermal shock resistance. CONSTITUTION:A sintered material having a thermal conductivity of >=15 W/m.K at room temperature and composed of a beta-sialon crystal phase expressed by the formula Si6-zAlzOzN8-z ((z) is 0.05-0.35) and a grain boundary phase composed of light rare earth element, heavy rare earth element, silicon, aluminum, oxygen and nitrogen is produced by mixing silicon nitride or silicon and/or silicon nitride with a light rare earth element, a heavy rare earth element, silicon oxide and aluminum oxide, forming the mixture, nitriding in a nitrogen- containing atmosphere at 800-1500 deg.C in the case of using silicon and baking the product.
Patent JP-H07312876-A (JP)
Title: Inverter device and control equipment for elevator
Inventor: TAKAGI HIROYUKI
IPC: H02P27/06
Filed: 1994-05-16
Abstract: PURPOSE:To provide an inexpensive inverter device wherein charging of a smoothing capacitor is detected with reliability and inrush current at start-up of the inverter device is thereby reduced. CONSTITUTION:An inverter device 100 is provided with a pre-charging circuit 4 that pre-charges a smoothing capacitor 3 for smoothing the output voltage of a converter 2; a comparing circuit 16 that produces signal output when difference between the output voltage VD of a rectifier circuit 5 and the charging voltage VDC of the smoothing capacitor falls below a specified value after power application to the pre-charging circuit 4; and an open/close control means 17 that outputs signals to start the inverter device when a specified time has passed after the output of signals by the comparing circuit 16.
Patent JP-S5435943-A (JP)
Title: Platform door device of elevator
Inventor: IDO MICHIYA
IPC: B66B13/26
Filed: 1977-08-24
Abstract: PURPOSE: To improve the efficiency of advance, by setting a safety zone within the effective doorway width of a platform door, and by opening an inverse door of the door entering into the safety zone within a safety zone range. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H11255662-A (JP)
Title: Saccharide absorption inhibitor
Inventor: KO KEIMIN
IPC: A23L1/30
Filed: 1998-03-09
Abstract: PROBLEM TO BE SOLVED: To obtain a natural saccharide absorption inhibitor which possesses high safety, can be readily ingested and exerts suitable effect. SOLUTION: This saccharide absorption inhibitor is comprised of the component obtained by extracting natural fiuits of Morus bombycis with water or a hydrophilic organic solvent.
Patent JP-H02281777-A (JP)
Title: Semiconductor laser with optical isolator
Inventor: SAKATA HAJIME
IPC: H01S5/00
Filed: 1989-04-24
Abstract: PURPOSE:To reduce coupling loss by installing a diffraction grating in the coupling region of the waveguide of an optical isolator section integrally integrated with a semiconductor laser section and a waveguide formed of CdMnTe. CONSTITUTION:A semiconductor laser section 110 and an optical isolator section 105 integrally shaped onto the same substrate 117 are arranged respectively so that laser beams generated by the semiconductor laser section 110 are emitted to the outside through the optical isolator section 105. The waveguides of a first waveguide 104 functioning as the active layer of the semiconductor laser section 110 in combination and a second waveguide 111 formed of CdMnTe and a diffraction grating 112 coupling light are installed to the optical isolator 105. Accordingly, since the second waveguide 111 is formed of CdMnTe having a large magnetooptic effect, Faraday rotation can easily be generated in guided beams when a magnetic field is applied from the outside, thus reducing forward loss.
Patent JP-S5434805-A (JP)
Title: Data recording system
Inventor: KIMURA HISASHI
IPC: G11B20/18
Filed: 1977-08-24
Abstract: PURPOSE: To reduce the effect of dust, flaws, etc. on tape by dispersing respective byte data over the entire width of the tape and record said data at the time of simultaneous recording to multibyte tracks. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H05277891-A (JP)
Title: Numerical control information creation method for lathe
IPC: G05B19/4068
Filed: 1992-03-27
Abstract: PURPOSE:To provide a lathe with a numerical control information creation method that is useful for reducing the mental burden on an operator and preventing his/her check mistakes in confirming or editing items automatically determined. CONSTITUTION:An operator confirms the display of a single required step that is automatically determined by a required process determination part 3 and if he or she wants to modify it, edits the date via a required process editing part 15. Similarly, the operator confirms and edits the display of tools to be used and machining ranges. After the same procedure is repeated for all the required steps, the operator performs final checks on the overall process including cutting conditions and paths that are automatically determined by a cutting condition/cutting path determination part 7 and edits the data via an overall process editing part 8.
Patent JP-H08298734-A (JP)
Title: Electricity storage circuit for small-sized apparatus
Inventor: TOGAWA TAKASHI
IPC: H02J9/06
Filed: 1995-04-26
Abstract: PURPOSE: To obtain an electricity storage circuit by which a voltage can be supplied continuously to a load part even when an intermittent light irradiation state is generated by a method wherein a first transistor switch and a second transistor switch are controlled by the voltage value, of a large-capacitance capacitor, which is detected by a detection circuit part. CONSTITUTION: When a large-capacitance capacitor 8 is charged to an ordinary capacitance, a small-capacitance capacitor 7 is charged or made conductive via a light power generation part 1 and a diode 5. After that, a second transistor switch 14 is kept in an ON state, and the large-capacitance capacitor 8 is charged. Then, when the large-capacitance capacitor 8 is not charged normally, the second transistor switch 14 is set to an OFF state, and the supply of a voltage to the small-capacitance capacitor 7 is started again. Thereby, even when an intermittent light irradiation state is generated, a voltage can be supplied continuously to a load end, and a discharge circuit part and a voltage detection part can be deleted and reduced.
Patent JP-H10245144-A (JP)
Title: Sheet material discharge device
Inventor: NIIMURA TAKESHI
IPC: B65H29/70
Filed: 1998-03-30
Abstract: PROBLEM TO BE SOLVED: To prevent looseness, a chatter sound or the like by recessing a part of a paper discharge roller by a contact part having a projecting surface having prescribed curvature by pressing only an image formed sheet by a shaft directional part of the paper discharge roller, and setting a friction coefficient to the sheet so as to become larger in the paper discharge roller than the contact part. SOLUTION: An image formed sheet (a sheet) P is introduced between a paper discharge roller 206 and a contact part 218 of a leaf spring 215 by passing through between a fixing roller and a pressurizing roller. Before passing through between these both 206 and 218, the sheet P curves as shown by an arrow A, and this is squeezed as shown by an arrow B, and a curved condition is corrected. That is, in the leaf spring 215, in a condition where paper is pressed to the roller 206 by a contact part 218 by energizing force, the contact part of the roller 206 is recessed. When the paper discharge roller 206 is driven in rotation in this condition, the sheet P is discharged after a curve is corrected by passing through its recessed part by driving force.
Patent JP-S5435738-A (JP)
Title: Sucking device for recording paper
Inventor: WATANABE KOUJI
IPC: H04N1/29
Filed: 1977-08-25
Abstract: PURPOSE:To make it possible to clean the fixing device and sucking device, and prevent the reduction of fixing ability due to the contamination and the paper clogging by providing a sucking device which utilizes the air negative pressure between operating position on the transport course of recording paper and inoperative position outside the course such that the device is pivotally mounted.
Patent JP-S63268729-A (JP)
Title: Epoxy resin composition
Inventor: HASHIMOTO SHINJI
IPC: C08L63/00
Filed: 1987-04-24
Abstract: PURPOSE:To provide the titled composition for sealing, containing an epoxy resin, and acid anhydride hardener, a filler and a diazabicycloundecene salt as a cure accelerator, usable in spot sealing and having excellent reliability under humid condition. CONSTITUTION:The objective composition contains (A) an epoxy resin (e.g. bisphenol A glycidyl ether), (B) an acid anhydride hardener (e.g. phthalic anhydride), (C) a filler (e.g. fused silica) and (D) salt of diazabicycloundecene as a cure accelerator. The amount of the component D is preferably 0.01-10pts.wt. based on 100pts.wt. of the component A.